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The specifications and features of the system, Terms & Conditions, Return Policy, and Warranty
User's Manual
included in this User's Manual may be changed or updated at any time for any reasons without
prior notice.
Front and Rear Parking Sensor System
4 Front and 4 Rear In-Bumper Sensors
Wired LED Display with Built-in Front Beeper
and Separate Rear Beeper
Model F4R4LX
For Cars, Mini-VANs, 4X4s, SUVs, and Small Trucks
(Vehicle Length Under 17 Feet)
ISO9001
HY Technologies ●
http://parkingsensors.net
Copyright © 2009
HY Technologies ● Milpitas ● California ● USA
All Rights Reserved
HY Technologies ●
http://parkingsensors.net
Made In China
Copyright © 2009
HY Technologies ● Milpitas ● California ● USA
All Rights Reserved
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Summary of Contents for HY Technologies F4R4LX
- Page 1 For Cars, Mini-VANs, 4X4s, SUVs, and Small Trucks (Vehicle Length Under 17 Feet) ISO9001 HY Technologies ● http://parkingsensors.net Copyright © 2009 HY Technologies ● Milpitas ● California ● USA All Rights Reserved HY Technologies ● http://parkingsensors.net Made In China Copyright © 2009 HY Technologies ●...
- Page 2 ● Size of the rear beeper: diameter = HY Technologies ● http://parkingsensors.net ● Sensor Length: 21mm (0.83”) 5.2cm(2.1"); thickness = 1.5cm(0.6") ● Detection Response Time: 300ms Copyright © 2009 HY Technologies ● Milpitas ● California ● USA All Rights Reserved - 1 - - 10 -...
- Page 3 Fig. 4 Control Box, LED Display, Rear Beeper, Sensors, and Wiring HY Technologies ● http://parkingsensors.net HY Technologies ● http://parkingsensors.net Copyright © 2009 HY Technologies ● Milpitas ● California ● USA All Rights Reserved Copyright © 2009 HY Technologies ● Milpitas ● California ● USA All Rights Reserved - 9 -...
- Page 4 How the System Works Warnings The Parking Sensor System determines obstacle distance by measuring the time needed for ● To avoid collision with obstacle because of the inertia of vehicle while backing up/parking, the ultrasonic wave emitted by a sensor to reach an obstacle and for the sensor to receive the keep your vehicle speed at about 3 miles per hour and stop the vehicle immediately once ultrasonic wave reflected from the obstacle.
- Page 5 Troubleshooting Important Notes for Installing the Control Box: Don't mount the control box near or under the dash or in the cab of a truck. The control box is designed to be mounted near the rear end of a vehicle (near taillight assembly) to avoid interferences from the engine which may cause false alert such as continuous beeping and 0.0 display.
- Page 6 a) Refer to Fig. 1 and 2 for the recommended mounting height and position of the front and rear Chart 1. Orientation of Obstacle, Distance Display, and Audible Alert sensors. You may need to make adjustments to them for your specific vehicle. b) Work under the front and rear bumpers to check the internal structure of them before Reversing marking the positions for drilling holes.
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